N3 postcode area guide — Barnet
House prices, crime, broadband speeds, mobile signal, schools and demographics for the N3 postcode district in Barnet — every official dataset on one page.
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Where is N3?
Broadband & internet speeds in N3
Strong coverage
Superfast (30Mb+)
96.8%
Ultrafast (300Mb+)
80.1%
Gigabit-capable
73.9%
Below USO (10Mb)
0%
Broadband availability in the N3 postcode district (Barnet) is Strong — superfast is near-universal and gigabit is rolling out. Across the 590 postcodes Ofcom measures in N3, superfast broadband (30 Mbit/s or faster) reaches 96.8% of premises and gigabit-capable lines are available to 73.9%.
Around 0% of premises in N3 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in N3
| Postcode | Superfast | Gigabit |
|---|---|---|
| N3 1AA | 100% | 56% |
| N3 1AB | 100% | 100% |
| N3 1AD | 100% | 0% |
| N3 1AE | 100% | 0% |
| N3 1AG | 100% | 100% |
| N3 1AH | 100% | 100% |
| N3 1AJ | 100% | 95.8% |
| N3 1AL | 100% | 100% |
| N3 1AN | 100% | 94.7% |
| N3 1AP | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Barnet
Ofcom's coverage model for the wider Barnet district (168,463 premises):
4G indoors — all networks
98.7%
4G outdoors — all networks
100%
5G outdoors — all networks
99.6%
Voice indoors — all networks
99.6%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in N3
Police recorded 360 incidents within about a mile of the centre of N3 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 103 | 28.6% |
| Anti-social behaviour | 102 | 28.3% |
| Vehicle crime | 36 | 10.0% |
| Public order | 31 | 8.6% |
| Burglary | 21 | 5.8% |
| Other theft | 19 | 5.3% |
| Shoplifting | 16 | 4.4% |
| Theft from the person | 11 | 3.1% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in N3
Based on 183 sales registered with HM Land Registry in the last 12 months, the median sold price in N3 is £625,000, up 11.6% on the previous year (£560,000).
Detached
£1,147,500
7 sales
Semi-detached
£950,000
50 sales
Terraced
£835,000
26 sales
Flat / maisonette
£415,000
92 sales
Latest recorded sales in N3
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 15 May 2026 | £900,000 | Terraced | Cyprus Gardens | N3 1SP |
| 15 May 2026 | £450,000 | Flat | Hendon Lane | N3 1RZ |
| 8 May 2026 | £435,000 | Flat | Ballards Lane | N3 1LP |
| 7 May 2026 | £435,000 | Terraced | Queens Road | N3 2AG |
| 5 May 2026 | £555,000 | Flat | Brownlow Road | N3 1NA |
| 1 May 2026 | £795,000 | Semi-detached | Vines Avenue | N3 2QD |
| 30 Apr 2026 | £1,095,000 | Semi-detached | Templars Crescent | N3 3QS |
| 30 Apr 2026 | £380,000 | Flat | St Ronans | N3 1QY |
| 29 Apr 2026 | £660,000 | Terraced | Glebe Road | N3 2AX |
| 23 Apr 2026 | £408,000 | Flat | Princes Avenue | N3 2DF |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Barnet demographics
Census 2021 figures for the wider Barnet district (389,341 residents, 148,917 households):
| Age profile | |
|---|---|
| Under 15 | 20.5% |
| 15–29 | 25% |
| 30–44 | 22.7% |
| 45–64 | 17.4% |
| 65+ | 14.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 52.7% |
| Private rented | 32.8% |
| Social rented | 6.7% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around N3
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Moss Hall Junior School | Primary | 7–11 | 474 | N3 1NR |
| St Mary's CofE Primary School | Primary | 2–11 | 431 | N3 1BT |
| Akiva School | Primary | 4–11 | 418 | N3 2SY |
| Pardes House Primary School | Primary | 4–11 | 359 | N3 1SA |
| Pardes House Grammar School | Not applicable | 11–16 | 275 | N3 1SA |
| Manorside Primary School | Primary | 3–11 | 237 | N3 2AB |
| Chalgrove Primary School | Primary | 4–11 | 217 | N3 3PL |
| St Theresa's Catholic Primary School | Primary | 3–11 | 180 | N3 2TD |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in N3
191 rated food businesses operate in N3. 98 hold the top rating of 5, 43 are rated 4, and 14 are rated 2 or below.
Among the 5-rated: 93ºC Coffee, A - Z Grocers, Annie's Freehouse, Avenue House, B Green.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in N3
From a sample of 188 Energy Performance Certificates across 10 N3 postcodes, the most common rating is band D (average band D). 30% of sampled homes are rated C or better.
Band B
1%
Band C
29%
Band D
52%
Band E
12%
Band F
4%
Band G
2%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Barnet
Landlines around N3 typically use:
Had a call from an unknown number? Use our free UK phone number checker to see who called.
What's it like living in N3?
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Moving to N3? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Barnet — free, no-obligation quote.
Postcodes in N3
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.